What is the meaning of the word "quilting"?

Definitions:

  1. a material used for making a quilt, or a quilted fabric copy to clipboard noun
    • I am all out of quilting but only halfway finished with my quilt! copy to clipboard
  2. stitching through layers of fabric and a filling so as to create a design copy to clipboard noun
    • Quilting is much more difficult than it looks. copy to clipboard